WO2011011989A1 - Blower - Google Patents

Abstract

A blower, including a snail-shaped base(6), a snail-shaped cover(4), blades(7) and a motor(3), in which the snail-shaped base and the snail-shaped cover are arranged together to form a compression exhaust duct, and the blade is horizontally positioned in the compression exhaust duct. On the snail-shaped cover at the upper part of the blades, is arranged multiple air inlet ducts which are formed of motor-mounting chamber and motor hood, and the motor is vertically positioned within the air inlet ducts and connected to the lower part of the blades. When the blower works, the inhaled air can provide effective cooling for the motor. Enough distance is arranged between the motor and the ground, and the blower has a good waterproof function.

Description

 Air blower

Technical field

 The utility model relates to a blower.

Background technique

 The existing blowers are mostly vertical structures, that is, their blades are vertically disposed, and the existing blower structure includes a motor, a fan blade, and a compressed exhaust duct, wherein the blades are vertically (the rotating faces thereof are vertically) mounted on In the air duct, the motor is installed on the other side of the air duct. Because the blower adopts a vertical structure, the uneven weight of the motor and the blade easily leads to the side of the center of gravity, which is unstable and affects the stable operation and life of the blower. On the other hand, the motor is not in the air inlet duct, and the heat dissipation is mostly realized by the small heat dissipation vane at the tail of the motor, which has the effect of heat dissipation and high energy consumption. Chinese Patent No. 200520067248.6 discloses a horizontal type of fan, which solves the problem that the center of gravity of the existing blower is unstable on the side, but the fan motor in the patented technical solution is arranged under the base of the air duct, which is closer to the ground and Most of the blowers work outdoors, so the motors of such fans are more likely to be flooded in rainy weather, causing malfunction or safety hazards. Utility model content

 The purpose of the present invention is to provide a blower that is safe to use, stable in operation, and long in life, in view of the above-mentioned problems.

 In order to achieve the above object, the utility model adopts the following technical solutions:

 The utility model relates to a blower, which comprises a snail seat, a snail cover, a fan blade and a motor, a snail seat and a snail cover constitute a compressed exhaust air duct, wherein the wind blade is horizontally arranged in the compressed exhaust air duct, and the snail cover on the upper part of the wind blade is provided An air inlet duct composed of a motor mounting cavity and a motor cover, the motor is vertically disposed in the air inlet duct and connected to the lower fan blade.

 The strip side wall of the motor cover is provided with a plurality of strip-shaped air inlets.

 In order to enhance waterproofing, a ring of waterproof bone is arranged in the motor cover, and an annular waterproof sponge is mounted on the waterproof bone; a water retaining plate is arranged between the motor and the blade.

 The upper part of the snail cover is provided with a sealed capacitor junction box, and the capacitor junction box is composed of a capacitor wiring chamber and a capacitor wiring cover.

 The capacitor wiring cover is provided with a switch, and a waterproof sealed switch sheath is arranged between the switch and the capacitor wiring cover.

The utility model has the advantages of scientific and simple structure, horizontal setting of the wind blade, and the motor is vertically disposed in the upper part of the wind blade and in the air inlet air passage. On the one hand, when the fan works, the air is supplied to the motor while providing effective heat dissipation; on the other hand, the motor and the ground are There is sufficient distance between the sealed capacitor junction box and the waterproof design at both ends of the motor, which has good waterproof function and avoids the danger of flooding. The utility model has novel design, environmental protection and energy saving, safe use, stable operation and long service life. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing the structure of the present invention;

 2 is an internal structure and a flow direction diagram of Embodiment 1 of the present invention;

 Figure 3 is an exploded view of the structure of the embodiment 1 of the present invention;

 4 is an exploded view showing the structure of a capacitor junction box according to Embodiment 1 of the present invention;

 FIG. 5 is a structural view showing the structure of a capacitor junction box according to Embodiment 1 of the present invention; FIG.

 Figure 6 is an exploded view of the structure of the second embodiment of the present invention;

 Figure 7 is an internal structure and a flow direction diagram of Embodiment 2 of the present invention;

 Figure 8 is a schematic structural view showing a manner of setting a ring-shaped waterproof sponge according to Embodiment 2 of the present invention;

 Figure 9 is a schematic view showing the structure of the annular waterproof sponge in the second embodiment of the present invention;

 Figure 10 is a cross-sectional view showing the structure of a capacitor junction box according to Embodiment 2 of the present invention;

 Figure 11 is a front elevational view showing the structure of a snail cover according to Embodiment 2 of the present invention;

 Figure 12 is a front elevational view showing the structure of a capacitor wiring cover according to Embodiment 2 of the present invention;

 13 is a schematic rear view of a capacitor wiring cover structure according to Embodiment 2 of the present invention;

 Figure 14 is a cross-sectional view showing the structure of a water retaining plate according to Embodiment 2 of the present invention;

 Figure 15 is a partial schematic view showing the back of the snail cover according to Embodiment 2 of the present invention;

 Figure 16 is a schematic view showing the structure of a snail seat according to Embodiment 2 of the present invention;

 Figure 17 is a cross-sectional view showing the structure of the wind net according to Embodiment 2 of the present invention;

 Figure 18 is a schematic view showing the structure of a portable hand held on a motor cover according to Embodiment 2 of the present invention.

 In the picture:

 1-motor cover; 2-waterproof sponge; 3-motor; 4-snail cover;

 5-wind net; 6-nail seat; 7-wind blade; 8-capacitor junction box;

9-switch; 10-switch platen; 11-between air inlet; 12-handle;

 13-waterproof bone; 31-front end cover; 32-rear end cover; 41-motor mounting cavity;

42-motor mounting feet; 43- waterproof ring wall; 44-stop bone; 51-stainless steel mesh;

 52-windnet sheath; 61-foot support; 62-stop groove 81-capacitor wiring cover;

82-capacitor wiring cavity; 83-capacitor; 84-power cord retaining sleeve; 85-waterproof sealed switch sheath;

86-switch guard; 100-flushing plate; 101-venting port; 102-venting ring;

500-oval wind net installation slot; 611-ground nail mounting hole; 811-sealing groove; 812-switch sheath sealing bone;

813-motor lead through hole; 821-sealing bone; 822-power line slot; The present invention is further described below by the accompanying drawings and specific embodiments:

Example 1

 As shown in Figures 1, 2 and 3, the air blower of the present invention comprises a snail seat 6, a snail cover 4, a blade 7 and a motor 3, a snail 6 and a snail cover 4 constitute a compressed exhaust duct, and a compression row A wind net 5 is arranged at the exit of the wind duct, and the vane 7 is horizontally disposed in the compressed exhaust duct. The snail cover 4 on the upper part of the vane is provided with an integrally formed motor mounting cavity 41, and the upper part of the motor mounting cavity 41 is provided. The motor cover 1, the motor mounting cavity 41 and the motor cover 1 constitute an air inlet duct, and the motor 3 is vertically disposed in the air inlet duct and connected to the lower fan blade 7, that is, the motor 3 is mounted on the motor mounting cavity 41 and the motor cover. The space formed by 1 is connected to the fan blade 7 below it via the motor shaft, thereby powering the blade 7.

 Further, a plurality of strip-shaped air inlets 11 are formed on the side wall of the motor cover 1. In order to improve the waterproof performance, a ring of waterproof bone is disposed in the motor cover 1, and the waterproof waterproof bone is mounted on the waterproof bone, and a water retaining plate is arranged between the motor 3 and the wind blade 7. As shown in Fig. 3, the snail cover 4 is provided with a sealed capacitor junction box 8, a switch 9 and a switch platen 10. As shown in Figures 4 and 5, the above-mentioned capacitor junction box 8 is composed of a capacitor wiring chamber 82 and a capacitor wiring cover 81 which are hermetically joined. The capacitor wiring cover is provided with a switch 9, and a waterproof sealed switch sheath is arranged between the switch 9 and the capacitor wiring cover 81. The bottom of the snail base 6 is provided with at least three foot supports 61, and the foot support 61 is arranged to make the blower operation more stable.

 As shown in Fig. 2, during operation, the motor located at the upper part of the fan blade 7 drives the fan blade to rotate, and the air is sucked through the strip-shaped air inlet port 11 around the side wall of the motor cover 1 at the upper part of the motor, and the air flows through the motor 3 at the air inlet. At the same time, the motor is cooled, and then the swirling force of the blade enters the compressed exhaust air duct, and finally the wind is discharged from the compressed air outlet duct by the centrifugal action of the vane 7. Example 2

 As shown in FIGS. 6 to 18, the air blower of the present invention comprises a snail seat 6, a snail cover 4, a fan blade 7 and a motor 3, a snail seat 6 and a snail cover 4 constitute a compressed exhaust air duct, and the exhaust air is compressed. At the exit of the road, there is a wind net 5, the wind blade 7 is horizontally disposed in the compressed air exhaust duct, and the snail cover 4 at the upper part of the wind blade is provided with an integrally formed motor mounting cavity 41, and the motor mounting cavity 41 is provided At least 4 motor mounting feet 42 (shown in Figure 11). The upper part of the motor mounting cavity 41 is provided with a motor cover 1 , and the motor mounting cavity 41 and the motor cover 1 form an air inlet duct. The motor 3 is vertically disposed in the air inlet duct and connected to the lower blade 7 thereof, that is, the motor 3 is mounted on The motor mounting cavity 41 is connected to the motor cover 1 and connected to the fan blades 7 below it via the motor shaft, thereby powering the blades 7.

The motor 3 is provided with a front end cover 31 and a rear end cover 32. The front end cover 31 and the rear end cover 32 are provided with a plurality of vent holes. Further, a plurality of strip-shaped air inlets 11 are formed on the side wall of the motor cover 1 to form an inlet duct inlet. A waterproof ring wall 43 (shown in FIG. 11) is disposed on the outer circumference of the motor mounting cavity 41 to block part of the water vapor from entering the motor. To improve Waterproof performance, the motor cover 1 is provided with a ring of waterproof bone 13 and an annular waterproof sponge 2, and the annular waterproof sponge 2 is disposed between the rear end cover 32 of the motor and the waterproof bone 13 (as shown in FIG. 8), or Between the side wall of the motor and the waterproof bone 13 (as shown in FIG. 9), it is used to filter water vapor to avoid inhalation into the interior of the motor 3. As shown in FIG. 6 to FIG. 9 , the motor 3 has a water blocking plate 100 between the wind turbine blades 7 and the wind deflecting plate 7 . Specifically, the water blocking plate is disposed under the motor front end cover 31 and is in close contact with the wind; The water flap 100 is provided with a vent 101 and a vent ring 102. The waterproof structure of the above structure is as follows: When the motor 3 drives the air vane 7 to suck the gas with water droplets from the motor cover strip air inlet 11, the waterproof bone 13 on the motor cover 1 and the waterproof ring wall 43 on the outer circumference of the motor mounting cavity At the time, part of the water droplets are intercepted by the waterproof bone 13 and the waterproof ring wall 43, and the remaining gas with the water droplets, a part of which passes through the rear end cover 32 of the motor and enters the motor internal cooling motor 3, with the bead gas It is sucked into the annular waterproof sponge 2, and the water bead is further intercepted by the annular waterproof sponge 2 to prevent the water droplets from entering the motor 3; at the same time, another part of the gas with the water droplet gas is sucked downward through the outside of the motor into the compressed exhaust air duct. At the time, the water droplets are again intercepted at the vent ring 102 on the water deflector 100, whereby the motor 3 is double protected against water, effectively protecting the motor and extending the life of the motor.

 As shown in Fig. 6, the snail cover 4 is provided with a sealed capacitor junction box 8, and the capacitor junction box 8 is composed of a capacitor wiring chamber 82 and a capacitor wiring cover 81. As shown in FIGS. 11, 12 and 13, the upper edge of the capacitor wiring chamber wall is a sealing bone 821, and the capacitor wiring cover 81 is provided with a sealing groove 811 at a corresponding position, and the sealing bone 821 and the sealing groove 811 are sealingly joined, thereby making the capacitor The wiring chamber 82 and the capacitor wiring cover 81 are sealingly engaged. As shown in Fig. 6, the above-mentioned capacitor wiring cover 81 is provided with a switch 9, and a switch cover 86 is provided on the switch 9. As shown in FIGS. 6 and 10, the switch 9 is mounted on the switch platen 10, and a waterproof sealing switch sheath 85 is disposed between the switch 9 and the switch platen 10 and the capacitor wiring cover 81. The capacitor wiring cover 81 is mounted with a waterproof sealing switch. A switch sheath sealing bone 812 is disposed at a position corresponding to the sheath. Further, as shown in FIG. 10, a capacitor 83 is disposed in the capacitor junction box 8; a power cable slot 822 is disposed on the sidewall of the capacitor wiring chamber 82 (shown in FIG. 11); The motor lead through hole 813, and the power supply wiring through hole 813 is provided with a power cord retaining sleeve 84 (shown in Figures 6, 10 and 12). In order to enhance waterproofing, it is sealed with a sealant after installation.

 Further, as shown in FIGS. 6 and 16, the bottom of the snail base 6 is provided with at least three foot supports 61, and the foot support 11 is provided with at least one nail mounting hole 611 for mounting by the ground nail when the grass is placed. The hole 611 is fixed by the ground nail, and the foot support 61 is arranged to make the blower run more stably, and at the same time prevent the damage caused by the flooding of the area.

 Further, as shown in Fig. 16, the snail base 6 is provided with a mouth groove 62, and the snail cover 4 is provided with a stop bone.

44, snail seat 6 and snail cover 4 When installed, the mouth groove 62 and the anchor bone 44 are fitted, and then bolted through the bolt mounting hole for fixing. An elliptical wind net installation groove 500 is provided at the outlet of the compressed exhaust duct composed of the above snail base 6 and the snail cover 4 for installing the wind net 5. Further, as shown in FIG. 17, the wind net 5 is a plastic steel net, which comprises a stainless steel mesh 51 and a wind net sheath 52, which are inserted into the fixing groove of the wind net sheath 52 by the folded edge of the stainless steel mesh 51, and then The injected epoxy resin is solidified and fixed as a whole. The wind net is mainly characterized by rust prevention and no burrs, which can avoid scratching the hands during installation.

Further, for convenience of carrying, as shown in Fig. 6, the motor cover 1 is provided with a handlebar 12. And for further Space saving, as shown in Fig. 18, the handle 12 is a foldable handle which is mounted to the mount of the motor cover 1 via an articulated shaft.

 The working principle of the utility model is as follows: When the fan 4 is driven by the motor 4, the airflow is sucked from the outside through the strip air inlet 11 on the motor cover 1 into the air inlet duct and then from the side of the motor and the rear end cover 32 of the motor respectively. The inside of the motor is exhausted from the front end cover 31 to be sucked into the compressed exhaust duct, and finally the gas is extracted from the compressed exhaust duct by the centrifugal force generated by the vane 7.

 The utility model has the advantages of scientific and simple structure, horizontal setting of the wind blade, balance of the center of gravity of the whole machine, not easy to fall over, and safe to use; and the motor is vertically disposed at the upper part of the fan blade, and the air sucked by the air inlet of the motor cover can be air-cooled to the motor. The function effectively reduces the temperature rise of the motor, improves the efficiency of the motor, saves energy and protects the environment, and prolongs the life of the motor. The motor is placed in the upper part of the fan blade to effectively ensure the distance from the ground, which solves the problem of the motor being flooded. The sealing design of the capacitor junction box and the water protection at both ends of the motor provide good waterproof protection. The utility model invention is a novel blower which is balanced for the center of the heart, energy-saving and environmentally friendly, and excellent in waterproofing, which is particularly suitable for outdoor use.

Claims

Claim  1. A blower comprising a snail seat, a snail cover, a fan blade and a motor, a snail seat and a snail cover comprising a compressed exhaust duct, wherein: the fan blade is horizontally disposed in the compressed exhaust duct, the fan blade The upper snail cover is provided with an air inlet duct composed of a motor mounting cavity and a motor cover, and the motor is vertically disposed in the air inlet duct and connected to the lower fan blade.  2. The air blower according to claim 1, wherein: a plurality of strips of air are provided on the side wall of the motor cover □.  3. The air blower according to claim 2, wherein: a ring of waterproof bone is disposed in the motor cover.  A blower according to claim 3, further comprising an annular waterproof sponge mounted on the waterproof bone.  5. The air blower according to claim 1, wherein: the bottom of the snail is provided with at least three foot supports. 6. The air blower according to claim 1, wherein: the motor has a water deflector between the wind turbine and the wind vane.  The air blower according to claim 1, wherein the upper portion of the snail cover is provided with a sealed capacitor junction box, and the capacitor junction box is composed of a capacitor wiring chamber and a capacitor wiring cover.  The air blower according to claim 7, wherein: the capacitor wiring cover is provided with a switch, and a waterproof sealed switch sheath is disposed between the switch and the capacitor wiring cover.